Robotic arm



FIG. 1 is a right side view of a robotic arm in accordance with the present design;

FIG. 2 is a right side view of the robotic arm shown in FIG. 1 in a first moved position;

FIG. 3 is a top perspective view of the robotic arm shown in FIG. 1, in a second moved position;

FIG. 4 is a right-front perspective view of the robotic arm shown in FIG. 1, in the second moved position;

FIG. 5 is a right side view of the robotic arm shown in FIG. 1, in a third moved position;

FIG. 6 is a right back perspective view of the robotic arm shown in FIG. 1, in a fourth moved position; and,

FIG. 7 is a top back perspective view of the robotic arm shown in FIG. 1, in a fourth moved position. 

CLAIM The ornamental design for a robotic arm, as shown and described. 